#673B1B#673B1B

#673B1B is a dark, moderate orange. Relative luminance 0.061; OKLCH L 40.0% C 0.077 H 54.4°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#673B1B
RGB	rgb(103, 59, 27)
HSL	hsl(25, 58%, 25%)
HSV	hsv(25, 74%, 40%)
CMYK	cmyk(0%, 42.7%, 73.8%, 59.6%)
CIE-LAB	lab(29.64, 16.34, 27.51)
CIE-LCH	lch(29.64, 32.00, 59.28°)
OKLab	oklab(39.95% 0.0448 0.0625)
OKLCH	oklch(39.95% 0.077 54.4)
XYZ	xyz(7.3559, 6.0914, 1.8251)
Luminance	0.0609 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673B1B #1B4767

analogous

#671B21 #673B1B #67611B

triadic

#673B1B #1B673B #3B1B67

tetradic

#673B1B #21671B #1B4767 #611B67

square

#673B1B #21671B #1B4767 #611B67

split-complementary

#673B1B #1B6761 #1B2167

monochromatic

#180E06 #371F0E #673B1B #975728 #C87334

Accessibility & contrast

On white

9.47

#673B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#673B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673B1B

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673B1B	#FFFFFF	#000000	##FFFFFF
##673B1B	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484018

Deuteranopia (green-blind)

#524A1B

Tritanopia (blue-blind)

#713234

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #673b1b;
/* rgb */ color: rgb(103, 59, 27);
/* oklch */ color: oklch(40.0% 0.077 54.4);

Tailwind

colors: {
  custom: {
    50: '#967159',
    500: '#673b1b',
    950: '#000000',
  },
}

SCSS

$custom: #673b1b;
$custom-light: #967159;
$custom-dark: #000000;

JSON

{
  "hex": "#673b1b",
  "rgb": {
    "r": 103,
    "g": 59,
    "b": 27
  },
  "hsl": {
    "h": 25.263,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.39953,
    "c": 0.07688,
    "h": 54.4
  },
  "luminance": 0.06091
}

Semantic roles & 50–950 ramp

primary

#673B1B

secondary

#42769C

accent

#A0E246

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #673B1B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →